[INFO] updating cached repository csherratt/rplace.rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/csherratt/rplace.rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/csherratt/rplace.rs" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/csherratt/rplace.rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/csherratt/rplace.rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/csherratt/rplace.rs" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/csherratt/rplace.rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/csherratt/rplace.rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] aba62a04dd06ac149d6d565b0b9c4302d10d699a
[INFO] sha for GitHub repo csherratt/rplace.rs: aba62a04dd06ac149d6d565b0b9c4302d10d699a
[INFO] validating manifest of csherratt/rplace.rs on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of csherratt/rplace.rs on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing csherratt/rplace.rs
[INFO] finished frobbing csherratt/rplace.rs
[INFO] frobbed toml for csherratt/rplace.rs written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/csherratt/rplace.rs/Cargo.toml
[INFO] started frobbing csherratt/rplace.rs
[INFO] finished frobbing csherratt/rplace.rs
[INFO] frobbed toml for csherratt/rplace.rs written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/csherratt/rplace.rs/Cargo.toml
[INFO] crate csherratt/rplace.rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking csherratt/rplace.rs against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-1/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/csherratt/rplace.rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e72897aa9e3b6254e2b4ebbd75fbe3bd7b872a4989b4f9d4f8519361a2725b3a
[INFO] running `"docker" "start" "-a" "e72897aa9e3b6254e2b4ebbd75fbe3bd7b872a4989b4f9d4f8519361a2725b3a"`
[INFO] [stderr]    Compiling serde v0.9.14
[INFO] [stderr]     Checking vec_map v0.7.0
[INFO] [stderr]     Checking rustc-serialize v0.3.23
[INFO] [stderr]     Checking shared_library v0.1.5
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking gfx_core v0.6.0
[INFO] [stderr]     Checking x11-dl v2.13.0
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking clap v2.23.3
[INFO] [stderr]     Checking csv v0.15.0
[INFO] [stderr]     Checking cgmath v0.13.0
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]    Compiling target_build_utils v0.3.0
[INFO] [stderr]    Compiling libloading v0.3.4
[INFO] [stderr]     Checking dlib v0.3.1
[INFO] [stderr]     Checking wayland-sys v0.7.8
[INFO] [stderr]     Checking wayland-client v0.7.8
[INFO] [stderr]     Checking wayland-window v0.4.4
[INFO] [stderr]     Checking wayland-kbd v0.6.3
[INFO] [stderr]     Checking winit v0.5.11
[INFO] [stderr]     Checking glutin v0.7.4
[INFO] [stderr]     Checking gfx_device_gl v0.13.0
[INFO] [stderr]     Checking gfx v0.14.1
[INFO] [stderr]     Checking gfx_window_glutin v0.14.0
[INFO] [stderr]     Checking rplace-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:165:17
[INFO] [stderr]     |
[INFO] [stderr] 165 |             let mut tile = latest.entry(tile_key)
[INFO] [stderr]     |                 ----^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:169:17
[INFO] [stderr]     |
[INFO] [stderr] 169 |             let mut tile = tiles.entry(tile_key).or_insert_with(Vec::new);
[INFO] [stderr]     |                 ----^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:177:13
[INFO] [stderr]     |
[INFO] [stderr] 177 |         let mut tile = tiles.entry(key).or_insert_with(Vec::new);
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:165:17
[INFO] [stderr]     |
[INFO] [stderr] 165 |             let mut tile = latest.entry(tile_key)
[INFO] [stderr]     |                 ----^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:169:17
[INFO] [stderr]     |
[INFO] [stderr] 169 |             let mut tile = tiles.entry(tile_key).or_insert_with(Vec::new);
[INFO] [stderr]     |                 ----^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:177:13
[INFO] [stderr]     |
[INFO] [stderr] 177 |         let mut tile = tiles.entry(key).or_insert_with(Vec::new);
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `"docker" "inspect" "e72897aa9e3b6254e2b4ebbd75fbe3bd7b872a4989b4f9d4f8519361a2725b3a"`
[INFO] running `"docker" "rm" "-f" "e72897aa9e3b6254e2b4ebbd75fbe3bd7b872a4989b4f9d4f8519361a2725b3a"`
[INFO] [stdout] e72897aa9e3b6254e2b4ebbd75fbe3bd7b872a4989b4f9d4f8519361a2725b3a